* Filter graphs
* copyright (c) 2007 Bobby Bingham
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#define AVFILTER_AVFILTERGRAPH_H
#include "avfilter.h"
+#include "libavutil/log.h"
-typedef struct AVFilterGraph {
- unsigned filter_count;
- AVFilterContext **filters;
- char *scale_sws_opts; ///< sws options to use for the auto-inserted scale filters
-} AVFilterGraph;
-
-/**
- * Allocate a filter graph.
- */
-AVFilterGraph *avfilter_graph_alloc(void);
-
-/**
- * Get a filter instance with name name from graph.
- *
- * @return the pointer to the found filter instance or NULL if it
- * cannot be found.
- */
-AVFilterContext *avfilter_graph_get_filter(AVFilterGraph *graph, char *name);
-
-/**
- * Add an existing filter instance to a filter graph.
- *
- * @param graphctx the filter graph
- * @param filter the filter to be added
- */
-int avfilter_graph_add_filter(AVFilterGraph *graphctx, AVFilterContext *filter);
-
-/**
- * Check for the validity of graph.
- *
- * A graph is considered valid if all its input and output pads are
- * connected.
- *
- * @return 0 in case of success, a negative value otherwise
- */
-int avfilter_graph_check_validity(AVFilterGraph *graphctx, AVClass *log_ctx);
-
-/**
- * Configure all the links of graphctx.
- *
- * @return 0 in case of success, a negative value otherwise
- */
-int avfilter_graph_config_links(AVFilterGraph *graphctx, AVClass *log_ctx);
-
-/**
- * Configure the formats of all the links in the graph.
- */
-int avfilter_graph_config_formats(AVFilterGraph *graphctx, AVClass *log_ctx);
-
-/**
- * Check validity and configure all the links and formats in the graph.
- *
- * @see avfilter_graph_check_validity(), avfilter_graph_config_links(),
- * avfilter_graph_config_formats()
- */
-int avfilter_graph_config(AVFilterGraph *graphctx, AVClass *log_ctx);
-
-/**
- * Free a graph and destroy its links.
- */
-void avfilter_graph_destroy(AVFilterGraph *graph);
-
-#endif /* AVFILTER_AVFILTERGRAPH_H */
+#endif /* AVFILTER_AVFILTERGRAPH_H */